12691390 (number)

12691390 is an even 8-digits composite number following 12691389 and preceding 12691391. In scientific notation, it is written as 1.2691390 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 5067360 positive integers (up to 12691390) that are relatively prime to 12691390.

Interesting facts

Basic properties

Name

Name twelve million six hundred ninety-one thousand three hundred ninety

Notation

Scientific notation 1.2691390 × 10^7
Engineering notation 1.2691390 × 10^6

Prime Factorization of 12691390

Prime Factorization 2 × 5 × 1381 × 919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12691390
Product of the distinct prime numbers

The prime factorization of 12691390 is 2 × 5 × 1381 × 919. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 34, 83, 801, 418, 763, 4881, 72818, 76373, 421284, 833882, 2058975, 1068276, 42738642, 7853449, 321604640, 38036574, 1238044917, 7959262560

Basic calculations (n = 12691390)

Multiplication

n×y
n×2 25382780
n×3 38074170
n×4 50765560
n×5 63456950

Division

n÷y
n÷2 6345695
n÷3 4230463.3333333
n÷3 3172847.5
n÷5 2538278

Exponentiation

ny
n2 161071380132100
n3 2.0442197030947E+21
n4 2.5943989497659E+28
n5 3.292652888707E+35

Nth Root

y√n
2√n 3562.4977192975
3√n 233.25791893901
4√n 59.686662825941
5√n 26.345220510959

Divisors of 12691390

1, 2, 5, 10, 919, 1381, 1838, 2762, 4595, 6905, 9190, 13810, 1269139, 2538278, 6345695, 12691390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12691389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12691390 can be divided by 16 positive divisors. The sum of these divisors (counting 12691390) is 1, the average is 0.0625.

Base conversion 12691390

Base System Value
2 Binary 110000011010011110111110
3 Ternary 212212210022111
4 Quaternary 300122132332
5 Quinary 11222111030
6 Senary 1132004234
8 Octal 60323676
10 Decimal 12691390
12 Duodecimal 430067a
16 Hexadecimal c1a7be
20 Vigesimal 3j689a
36 Base36 7k0qm

Cryptographic Hash Functions

md5 7b74cf34229162b9f51b87d8a9afedd3
sha1 b39744a711202a91f31f773fb04918dea0bb9405
sha256 27b79b5e792348e5e2aa1304703bcd39a16d715eaa46f29b8ad3102b396044bf
sha512 64d26d7532279ad8ef659d819d14dc37f8f859881253adcab1633da3ac633082c37b4167b6723cc3afca97a359b5b74cb2ee8c59f9a71119bbf0f4998e5f7605
ripemd-160 d997d99f8990393b9d7baaea9e07def05d6044e5

12691390 as geometric shapes

Circle

Radius = n
Diameter 25382780
Circumference 79742355.175686
Area 5.0602066452657E+14

Sphere

Radius = n
Volume 8.5628074687546E+21
Surface area 2.0240826581063E+15
Circumference 79742355.175686

Square

Length = n
Perimeter 50765560
Area 161071380132100
Diagonal 17948335.863366

Cube

Length = n
Surface area 966428280792600
Volume 2.0442197030947E+21
Space diagonal 21982132.298672

Equilateral Triangle

Length = n
Perimeter 38074170
Area 69745953508509
Altitude 10991066.149336

Triangular Pyramid

Length = n
Surface area 69745953508509
Volume 2.4091360238224E+20
Height 5982778.6211221